MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 30f91a9f411187ee24ea1a19d9043c4065707e7c6754c96a8c7ad1fb18ce0d67. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


ObserverStealer


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 30f91a9f411187ee24ea1a19d9043c4065707e7c6754c96a8c7ad1fb18ce0d67
SHA3-384 hash: f779f0920f8ba0e629d6ccc5056b92909925f958587eb8ed24bf27125f42cab036eeb387e042359a90077d7e22be9fcc
SHA1 hash: 69822a9038c89a01629375b4136756aff97e2394
MD5 hash: 80a7b7f5aca37db9ecd23b886b4065f6
humanhash: lake-juliet-may-hydrogen
File name:80a7b7f5aca37db9ecd23b886b4065f6
Download: download sample
Signature ObserverStealer
Create hunting rule
File size:389'256 bytes
First seen:2023-07-01 12:33:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bb1d8bfc6c51ca02a6f390c720552f6c (5 x RedLineStealer, 2 x Amadey, 1 x ObserverStealer)
ssdeep 6144:dod3VGFp7eiZad5wvVBagN6HpAwPJO24onpneryR7H6g1I2akNG+N71uvhisxmZz:W3VGFp7eiZ8wvVBp6HpAwPJObale21HF
Threatray 5 similar samples on MalwareBazaar
TLSH T10F84AEE6386CE32BD0CED1F346EDF925D87ED061531112A7726AB2EB325DAD0122C365
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe ObserverStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
300
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/404855/
Detection(s):
Win.Malware.Pwsx-10005226-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for the window
Creating a window
Sending an HTTP GET request
Creating a file in the %temp% directory
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay packed
Link:
https://www.filescan.io/uploads/64a01d3ce546ae29610514c6/reports/bb0d4c5a-7bd2-49ec-8fd9-df8d3e825334/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/30f91a9f411187ee24ea1a19d9043c4065707e7c6754c96a8c7ad1fb18ce0d67
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9e3a26aa-4657-4193-b6dc-66f6bd0645ac
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1264498
Signature
Antivirus detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Go Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 897528 Sample: 1pnboZHFBw.exe Startdate: 01/07/2023 Architecture: WINDOWS Score: 60 96 Multi AV Scanner detection for dropped file 2->96 98 Multi AV Scanner detection for submitted file 2->98 100 Yara detected Go Stealer 2->100 102 Machine Learning detection for sample 2->102 11 1pnboZHFBw.exe 32 2->11         started        16 main.exe 2->16         started        process3 dnsIp4 88 199.101.134.238 WZCOM-US United States 11->88 90 204.155.145.48 WZCOM-US United States 11->90 92 2 other IPs or domains 11->92 72 C:\Users\user\AppData\Local\Temp\steaem.exe, PE32 11->72 dropped 74 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32 11->74 dropped 76 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 11->76 dropped 78 14 other malicious files 11->78 dropped 110 Tries to harvest and steal browser information (history, passwords, etc) 11->110 18 steaem.exe 9 11->18         started        22 Chr0m3.exe 2 18 11->22         started        24 conhost.exe 11->24         started        26 chrome.exe 16->26         started        file5 signatures6 process7 file8 60 C:\Users\user\AppData\Local\...\main.sfx.exe, PE32 18->60 dropped 62 C:\Users\user\AppData\Local\Temp\Cmain.exe, PE32 18->62 dropped 104 Multi AV Scanner detection for dropped file 18->104 28 main.sfx.exe 7 18->28         started        32 Cmain.exe 11 18->32         started        34 chrome.exe 26->34         started        36 chrome.exe 26->36         started        38 chrome.exe 26->38         started        40 chrome.exe 26->40         started        signatures9 process10 file11 80 C:\Users\user\AppData\Local\main.exe, PE32+ 28->80 dropped 112 Multi AV Scanner detection for dropped file 28->112 42 main.exe 91 28->42         started        signatures12 process13 dnsIp14 82 163.181.56.169 TAOBAOZhejiangTaobaoNetworkCoLtdCN United States 42->82 84 13.107.246.60 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 42->84 86 4 other IPs or domains 42->86 64 C:\Users\user\...\notification_helper.exe, PE32+ 42->64 dropped 66 C:\Users\user\AppData\...\mojo_core.dll, PE32+ 42->66 dropped 68 C:\Users\user\AppData\Roaming\...\libEGL.dll, PE32+ 42->68 dropped 70 9 other files (8 malicious) 42->70 dropped 106 Antivirus detection for dropped file 42->106 108 Multi AV Scanner detection for dropped file 42->108 47 chrome.exe 42->47         started        file15 signatures16 process17 dnsIp18 94 192.168.2.1 unknown unknown 47->94 50 chrome.exe 47->50         started        52 chrome.exe 47->52         started        54 chrome.exe 47->54         started        56 chrome.exe 47->56         started        process19 process20 58 chrome.exe 50->58         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/30f91a9f411187ee24ea1a19d9043c4065707e7c6754c96a8c7ad1fb18ce0d67/
Threat name:
Win32.Trojan.RedLine
Create hunting rule
Status:
Malicious
First seen:
2023-07-01 12:34:06 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gd4rvh2bcgd64jhkdim5sbb4ibsxa7t4m5kms2umpli7wggobvtq._file
Verdict:
malicious
Similar samples:
69cb5ea4ae2956dc3a5ce92cee4c2c26a07b0a744ad2dbcea96783e420bef177
ObserverStealer
a8ef7985e7e029c6f66dd8571568d053c1a65b5d493553bb20fae8846a7ae2e4
ObserverStealer
b813f93f24761505af2792be190b5cc19838252fcbdeea9946216964f7649ee8
ObserverStealer
d576e059f376adc56b3ad3e62b5a808c26b6f70dfc50e10e4cd3b6eacfc5a2ea
ObserverStealer
d9138877762b03c339c0bea690551fbb946681e4c5b3e98dab367f15a2d8411b
ObserverStealer
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/230701-prrm8agg73/
Behaviour
GoLang User-Agent
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
d8a2dc2209f20609719a232570e2d4c71941c7da3b2318ea1ea8ac0d0b724208
MD5 hash:
29369511502305dc54f1af48c42ece96
SHA1 hash:
e4aba459602c485078681c4427e8e9124cddb027
Link:
https://www.unpac.me/results/cdc2a46e-492c-436b-ab0a-8c1246fefd43/
SH256 hash:
30f91a9f411187ee24ea1a19d9043c4065707e7c6754c96a8c7ad1fb18ce0d67
MD5 hash:
80a7b7f5aca37db9ecd23b886b4065f6
SHA1 hash:
69822a9038c89a01629375b4136756aff97e2394
Link:
https://www.unpac.me/results/cdc2a46e-492c-436b-ab0a-8c1246fefd43/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/30f91a9f411187ee24ea1a19d9043c4065707e7c6754c96a8c7ad1fb18ce0d67

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

ObserverStealer

Executable exe 30f91a9f411187ee24ea1a19d9043c4065707e7c6754c96a8c7ad1fb18ce0d67

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2674891/
Cape
Cape
https://www.capesandbox.com/analysis/404855/

Comments


Avatar
zbet commented on 2023-07-01 12:33:30 UTC

url : hxxps://www.4sync.com/web/directDownload/b0Z2D1Wz/B6mkNv1u.999f71dd3e945ba839def371afede23a/